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High severity7.5NVD Advisory· Published Jan 5, 2022· Updated Jun 17, 2026

CVE-2020-5956

CVE-2020-5956

Description

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Insyde/InsydeH2O2 versions
    cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*range: >=5.2,<5.25.11
    • (no CPE)range: < 05.15.11, < 05.25.11, < 05.34.11, < 05.42.11
  • Insyde/InsydeH2Odescription

Patches

Vulnerability mechanics

References

2

News mentions

0

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